fallback

英 [ˈfɔːlbæk]

美 [ˈfɔːlbæk]

n.  应变计划; 退路

复数：fallbacks　

计算机

BNC.48596 / COCA.23870

牛津词典

noun

• 应变计划；退路
  a plan or course of action that is ready to be used in an emergency if other things fail
  1. What's our fallback if they don't come up with the money?
     要是他们拿不出钱，我们如何应变？
  2. We need a fallback position if they won't do the job.
     如果他们不干这个工作，我们就需要一个应变的方案。

柯林斯词典

• ADJ (计划失败或发生意外时)退守的，应变的，备选的
  Someone'sfallbackposition is what they will do if their plans do not succeed, or if something unexpected happens.
  1. Yesterday's vote itself was a retreat from an earlier fallback position.
     昨天的投票本身就是放弃先前所留退路的做法。

英英释义

noun

• to break off a military action with an enemy
  Synonym:disengagementpullout

双语例句